Block Diagrams - Sony KV-29FQ85E Service Manual

5-1. BLOCK DIAGRAMS (1)

VM AMPLIFIER
BUFFER
Q9403
CN9402
VM AMPLIFIER VM AMPLIFIER
TO B BOARD 2 VM
BUFFER BUFFER
CN3402
Q9413, Q9414 Q9401, Q9402
VM AMPLIFIER
BUFFER
Q9404
CN9401
4 QP (-)
TO D BOARD
7 QP (+)
CN8206
VG(L) 12
Q6802,
VS 15
Q6803
VG(H) 16
OCP
9
F/B
2
V SENSE
1
IC6802
DRIVER
4
PH6800
PHOTOCOUPLER
2
CN6802
4 RECT+
BUFFER
Q6801
2 RECT-
3 CATHODE
1 3
REF
1
TO G BOARD
2 3 2
CN6007 IC6803
5 SWITCHING
IC6800
MOSFET
7
6
IC6801
PROTECTION IC
1 AC-HOP-VCC
QP (-) 1
VM AMPLIFIER VM AMPLIFIER VM AMPLIFIER VM AMPLIFIER
BUFFER BUFFER BUFFER OUTPUT QP (-) 2
Q9405 Q9407 Q9409 Q9411
QP (+) 3
QP (+) 4
VM AMPLIFIER VM AMPLIFIER VM AMPLIFIER VM AMPLIFIER
VM 7
BUFFER BUFFER BUFFER OUTPUT
Q9406 Q9408 Q9410 Q9412
VM 8
VM ( )
VELOCITY
MODULATION
T6800
9
HV
8
HV OVERSHOOT SS RESET
17 PROTECT Q6804,
7 Q6808, Q6809 Q6806
13
5
15
10
6 14
DYNAMIC
FOCUS
1
Q8901
4
DYNAMIC
FOCUS
G2
T8900
3
DYNAMIC
16 8 4 FOCUS
Q8900
FV
ABL
11 1 PROTECT
Q6810
18
19
12
5
7
1 6
2
1
+9V 3
IC6804
CONTROLLER
D2 (
SMART MODE,
DEFLECTION
CN3601
1 RIGHT OUT
2 RIGHT IN
3 LEFT OUT
6 LEFT IN
7 BLUE IN
8 MODE
AV1
11 GREEN IN
15 RED IN
16 BLANKING
19 VIDEO OUT
20 VIDEO IN
CN3602
1 RIGHT OUT
CN9403
2 RIGHT IN
QP-
3 LEFT OUT
LEFT IN
6
QP+
7 BLUE IN
8 MODE
AV2
11 GREEN IN
VM
15 RED IN
NECK ASSY 16 BLANKING
19 VIDEO OUT
20 VIDEO IN
CN3603
1 RIGHT OUT
RIGHT IN
2
3 LEFT OUT
6 LEFT IN
AV3
8 MODE
15 C IN
19 VIDEO OUT
20 VIDEO IN
CN3600
1 C
3 Y/CVBS
TO H1 BOARD
5 L
CN2911
8 R
TO B BOARD
CN3400
CN6803
HPROT 4
TO D BOARD
CN8900
ABL-COMP 7
CN6801
DF DRIVE 3
HV-PROT 4
TO A BOARD
EPG MODE 1
CN6900
NOT
AC MONITOR 2
USED
)
- 24 -
IC3600
AUDIO/VIDEO SWITCH
V-OUT-35
V-OUT-15
2 LAST RF SC3-IN-R
AV3 IN R 34
V-OUT-25
9 AV2 OUT SC2-IN-R
AV2 I R 35
CVBS/Y MAIN
11 CVBS Y MAIN SC1-IN-R V-OUT-25
AV1 IN R 36
C-MAIN
13 C MAIN R-DIGITAL RF
DIGITAL RF 37
SCL
14 SCL SC1 OUT-R
AV1 OUT R 38
SDA V-OUT-15
15 SDA SC1 OUT-L
AV1 OUT L
39
MUTE
17 MUTE SC3 OUT-R
AV3 OUT R 40
MODE 1
18 MODE 1 SC3 OUT-L
AV3 OUT L SC2-OUT-R
41
MODE 2
19 MODE 2 V-OUT-35
AV3 OUT CVBS
43
MODE 3
20 MODE 3 CVBS/Y SLAVE
Y SLAVE 45
SPEAKER-L
23 AV2 OUT L/SPKR L C SLAVE SC2-OUT-L
C SLAVE 47
SPEAKER-R
24 AV2 OUT L/SPKR R C-FRONT
FRONT C 49
L-ANALOG RF
ANALOG RF-L C-IN-3
25
AV3 IN C 51
FRONT-L
FRONT L Y/CVBS-FRONT
26
FRONT Y 54
SC3 IN-L
27 AV3 IN-L V-IN-3
AV3 IN Y 56
SC2 IN-L
28 AV2 IN-L V-IN-2
AV2 IN Y 58
SC1 IN-L
29 AV1 IN-L V-IN-1
AV1 IN CVBS 60
L-DIGITAL RF
30 DIGITAL RF V-DIGITAL RF
DIGITAL RF 62
R-ANALOG RF
32 ANALOG RF-R V-ANALOG RF
ANALOG RF 64
FRONT-R
33 FRONT R MUTE SWITCH
Q2604
J ( )
AV SCART I/O
SWITCHING AND
SOCKETS
IC7300
VIDEO OUT (RED)
BUFFER
AMPLIFIER 3 VIN VOC 8
Q7300, Q7301
IK
CN7331
IC7310
1 R
VIDEO OUT (GREEN)
BUFFER
2 R REF
AMPLIFIER 3 VIN VOC 8
Q7310, Q7311
3 G
IK
4 G REF
IC7320
VIDEO OUT (BLUE)
5 B
BUFFER
AMPLIFIER 3 VIN VOC 8
6 B REF
Q7320, Q7321
9 IK BUFFER IK
Q7330
( )
C
R, G, B OUT
BUFFER
V-OUT-3B
AMP
Q3656
BUFFER
V-OUT-2B
AMP
Q3657
BUFFER
V-OUT-1B
AMP
Q3658
BUFFER
SPEAKER R
AMP
Q2602
BUFFER
SPEAKER L
AMP
Q2603
CN3604
CVBS DIGITAL RF 1
CVBS/Y MAIN 3
C-MAIN 4
CVBS/Y SLAVE 6
C SLAVE 7
BLUE 1 9
GREEN 1 10
9V
RED 1 11
AC ON-OFF BLK 1 FS1 12
GREEN 2 14
BLUE 2 15
BLK 2 16 TO A BOARD
CN3002
RED 2 17
L-DIGITAL RF 19
R SPEAKER/HP 20
L SPEAKER/HP 22
R-DIGITAL RF 23
L-ANALOG RF 25
R-ANALOG RF 26
AV LINK 29
SDA 32
SCL 33
CVBS/ANALOG RF 35
J7330
R
10
G
9
B
8
13
5
PICTURE TUBE
HV
TO D2 BOARD
HV (T6800)
CN7330
HEATER 5 TO D BOARD
CN8214
RV7330
G2